Table 3 Machine learning performance.

From: Assessment model of ozone pollution based on SHAP-IPSO-CNN and its application

Model

R2

RMSE

MAE

Random forest

0.9023

0.0116

0.0079

XGBoost

0.8731

0.0133

0.0078

Ridge regression

0.8594

0.0140

0.0087

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